In a significant milestone for the Orcelle Horizon project, Tirranna has completed a unique retrofitting process at IMC Shipyard in Zhoushan, China to prepare for the installation of a wing sail.  Prior to docking, extensive preparation and planning had taken place with the yard, finalizing all design documentation (e.g. strength and fatigue analysis) with subcontractor Delta Marin, along with obtaining class approval from DNV. This work has been crucial to ensuring an optimized solution related to both the steel weight and cargo loss. (....)